These stories were centre stage in Brussels this week.
Area of 26 European states without mutual border controls
The Schengen Area is an area comprising 26 European countries that have officially abolished all passport and all other types of border control at their mutual borders. The area mostly functions as a single jurisdiction for international travel purposes, with a common visa policy. The area is named after the 1985 Schengen Agreement signed in Schengen, Luxembourg.